Ukraine was not a NATO country, never mind a EU country. I’m all for speaking truth to the weakness of the eu and its indecisive pussyfooting on the military front but let’s not start getting high on our own supply: Russia absolutely does not have the military nor industrial power to invade Poland and take on the actual EU in a hot war. NATO or no NATO it wouldn’t even be close.
Or it could just end with mutual total nuclear annihilation of course.
Edit: now if they were to attack the eu over a decades long interference campaign with its member state democracies, funding anti eu parties, stoking separatist sentiments, and covertly subverting the fundamental pillars of its liberal democracies, on the other hand…